1 files changed, 87 insertions, 0 deletions

diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
new file mode 100644
index 00000000000..f3acb8e34c6
--- /dev/null
+++ b/arch/sh/include/asm/dma-sh.h
@@ -0,0 +1,87 @@
+/*
+ * arch/sh/include/asm/dma-sh.h
+ *
+ * Copyright (C) 2000  Takashi YOSHII
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __DMA_SH_H
+#define __DMA_SH_H
+
+#include <asm/dma-register.h>
+#include <cpu/dma-register.h>
+#include <cpu/dma.h>
+
+/* DMAOR contorl: The DMAOR access size is different by CPU.*/
+#if defined(CONFIG_CPU_SUBTYPE_SH7723)  || \
+    defined(CONFIG_CPU_SUBTYPE_SH7724)  || \
+    defined(CONFIG_CPU_SUBTYPE_SH7780)  || \
+    defined(CONFIG_CPU_SUBTYPE_SH7785)
+#define dmaor_read_reg(n) \
+    (n ? __raw_readw(SH_DMAC_BASE1 + DMAOR) \
+        : __raw_readw(SH_DMAC_BASE0 + DMAOR))
+#define dmaor_write_reg(n, data) \
+    (n ? __raw_writew(data, SH_DMAC_BASE1 + DMAOR) \
+    : __raw_writew(data, SH_DMAC_BASE0 + DMAOR))
+#else /* Other CPU */
+#define dmaor_read_reg(n) __raw_readw(SH_DMAC_BASE0 + DMAOR)
+#define dmaor_write_reg(n, data) __raw_writew(data, SH_DMAC_BASE0 + DMAOR)
+#endif
+
+static int dmte_irq_map[] __maybe_unused = {
+#if (MAX_DMA_CHANNELS >= 4)
+    DMTE0_IRQ,
+    DMTE0_IRQ + 1,
+    DMTE0_IRQ + 2,
+    DMTE0_IRQ + 3,
+#endif
+#if (MAX_DMA_CHANNELS >= 6)
+    DMTE4_IRQ,
+    DMTE4_IRQ + 1,
+#endif
+#if (MAX_DMA_CHANNELS >= 8)
+    DMTE6_IRQ,
+    DMTE6_IRQ + 1,
+#endif
+#if (MAX_DMA_CHANNELS >= 12)
+    DMTE8_IRQ,
+    DMTE9_IRQ,
+    DMTE10_IRQ,
+    DMTE11_IRQ,
+#endif
+};
+
+/*
+ * Define the default configuration for dual address memory-memory transfer.
+ * The 0x400 value represents auto-request, external->external.
+ */
+#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_INDEX2VAL(XMIT_SZ_32BIT))
+
+/* DMA base address */
+static u32 dma_base_addr[] __maybe_unused = {
+#if (MAX_DMA_CHANNELS >= 4)
+        SH_DMAC_BASE0 + 0x00,   /* channel 0 */
+        SH_DMAC_BASE0 + 0x10,
+        SH_DMAC_BASE0 + 0x20,
+        SH_DMAC_BASE0 + 0x30,
+#endif
+#if (MAX_DMA_CHANNELS >= 6)
+        SH_DMAC_BASE0 + 0x50,
+        SH_DMAC_BASE0 + 0x60,
+#endif
+#if (MAX_DMA_CHANNELS >= 8)
+        SH_DMAC_BASE1 + 0x00,
+        SH_DMAC_BASE1 + 0x10,
+#endif
+#if (MAX_DMA_CHANNELS >= 12)
+        SH_DMAC_BASE1 + 0x20,
+        SH_DMAC_BASE1 + 0x30,
+        SH_DMAC_BASE1 + 0x50,
+        SH_DMAC_BASE1 + 0x60, /* channel 11 */
+#endif
+};
+
+#endif /* __DMA_SH_H */